diff mbox series

[v3] USB: host: isp116x: Check for null res pointer

Message ID 20211221013354.1002134-1-jiasheng@iscas.ac.cn
State New
Headers show
Series [v3] USB: host: isp116x: Check for null res pointer | expand

Commit Message

Jiasheng Jiang Dec. 21, 2021, 1:33 a.m. UTC
I agree with the comments and I have add the driver name in the subject
line.

Fixes: 4808a1c02611 ("[PATCH] USB: Add isp116x-hcd USB host controller driver")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
---
Changelog:

v2 -> v3

*Change 1. Just skip the use of null pointer instead of directly return.
*Change 2. Add the driver name in the subject line.
---
 drivers/usb/host/isp116x-hcd.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
index 8835f6bd528e..aacaf6e2ddca 100644
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -1541,10 +1541,13 @@  static int isp116x_remove(struct platform_device *pdev)
 
 	iounmap(isp116x->data_reg);
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
-	release_mem_region(res->start, 2);
+	if (res)
+		release_mem_region(res->start, 2);
+
 	iounmap(isp116x->addr_reg);
 	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	release_mem_region(res->start, 2);
+	if (res)
+		release_mem_region(res->start, 2);
 
 	usb_put_hcd(hcd);
 	return 0;